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1 /* | 1 /* |
2 * Copyright 2011 Google Inc. | 2 * Copyright 2011 Google Inc. |
3 * | 3 * |
4 * Use of this source code is governed by a BSD-style license that can be | 4 * Use of this source code is governed by a BSD-style license that can be |
5 * found in the LICENSE file. | 5 * found in the LICENSE file. |
6 */ | 6 */ |
7 | 7 |
8 #ifndef GrGpu_DEFINED | 8 #ifndef GrGpu_DEFINED |
9 #define GrGpu_DEFINED | 9 #define GrGpu_DEFINED |
10 | 10 |
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322 return kDrawPoints_DrawType; | 322 return kDrawPoints_DrawType; |
323 case kLines_GrPrimitiveType: | 323 case kLines_GrPrimitiveType: |
324 case kLineStrip_GrPrimitiveType: | 324 case kLineStrip_GrPrimitiveType: |
325 return kDrawLines_DrawType; | 325 return kDrawLines_DrawType; |
326 default: | 326 default: |
327 SkFAIL("Unexpected primitive type"); | 327 SkFAIL("Unexpected primitive type"); |
328 return kDrawTriangles_DrawType; | 328 return kDrawTriangles_DrawType; |
329 } | 329 } |
330 } | 330 } |
331 | 331 |
332 // prepares clip flushes gpu state before a draw | |
333 bool setupClipAndFlushState(DrawType, | |
334 const GrDeviceCoordTexture* dstCopy, | |
335 const SkRect* devBounds, | |
336 GrDrawState::AutoRestoreEffects*, | |
337 GrDrawState::AutoRestoreStencil*); | |
338 | |
339 // Functions used to map clip-respecting stencil tests into normal | 332 // Functions used to map clip-respecting stencil tests into normal |
340 // stencil funcs supported by GPUs. | 333 // stencil funcs supported by GPUs. |
341 static GrStencilFunc ConvertStencilFunc(bool stencilInClip, | 334 static GrStencilFunc ConvertStencilFunc(bool stencilInClip, |
342 GrStencilFunc func); | 335 GrStencilFunc func); |
343 static void ConvertStencilFuncAndMask(GrStencilFunc func, | 336 static void ConvertStencilFuncAndMask(GrStencilFunc func, |
344 bool clipInStencil, | 337 bool clipInStencil, |
345 unsigned int clipBit, | 338 unsigned int clipBit, |
346 unsigned int userBits, | 339 unsigned int userBits, |
347 unsigned int* ref, | 340 unsigned int* ref, |
348 unsigned int* mask); | 341 unsigned int* mask); |
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443 const GrClipMaskManager::ScissorState&, | 436 const GrClipMaskManager::ScissorState&, |
444 const GrDeviceCoordTexture* dstCopy) = 0; | 437 const GrDeviceCoordTexture* dstCopy) = 0; |
445 | 438 |
446 // clears target's entire stencil buffer to 0 | 439 // clears target's entire stencil buffer to 0 |
447 virtual void clearStencil(GrRenderTarget* target) = 0; | 440 virtual void clearStencil(GrRenderTarget* target) = 0; |
448 | 441 |
449 // Given a rt, find or create a stencil buffer and attach it | 442 // Given a rt, find or create a stencil buffer and attach it |
450 bool attachStencilBufferToRenderTarget(GrRenderTarget* target); | 443 bool attachStencilBufferToRenderTarget(GrRenderTarget* target); |
451 | 444 |
452 // GrDrawTarget overrides | 445 // GrDrawTarget overrides |
453 virtual void onDraw(const DrawInfo&) SK_OVERRIDE; | 446 virtual void onDraw(const DrawInfo&, const GrClipMaskManager::ScissorState&)
SK_OVERRIDE; |
454 virtual void onStencilPath(const GrPath*, GrPathRendering::FillType) SK_OVER
RIDE; | 447 virtual void onStencilPath(const GrPath*, |
455 virtual void onDrawPath(const GrPath*, GrPathRendering::FillType, | 448 const GrClipMaskManager::ScissorState&, |
| 449 const GrStencilSettings&) SK_OVERRIDE; |
| 450 virtual void onDrawPath(const GrPath*, |
| 451 const GrClipMaskManager::ScissorState&, |
| 452 const GrStencilSettings&, |
456 const GrDeviceCoordTexture* dstCopy) SK_OVERRIDE; | 453 const GrDeviceCoordTexture* dstCopy) SK_OVERRIDE; |
457 virtual void onDrawPaths(const GrPathRange*, | 454 virtual void onDrawPaths(const GrPathRange*, |
458 const uint32_t indices[], int count, | 455 const uint32_t indices[], |
459 const float transforms[], PathTransformType, | 456 int count, |
460 GrPathRendering::FillType, const GrDeviceCoordTextu
re*) SK_OVERRIDE; | 457 const float transforms[], |
| 458 PathTransformType, |
| 459 const GrClipMaskManager::ScissorState&, |
| 460 const GrStencilSettings&, |
| 461 const GrDeviceCoordTexture*) SK_OVERRIDE; |
461 | 462 |
462 // readies the pools to provide vertex/index data. | 463 // readies the pools to provide vertex/index data. |
463 void prepareVertexPool(); | 464 void prepareVertexPool(); |
464 void prepareIndexPool(); | 465 void prepareIndexPool(); |
465 | 466 |
466 void resetContext() { | 467 void resetContext() { |
467 this->onResetContext(fResetBits); | 468 this->onResetContext(fResetBits); |
468 fResetBits = 0; | 469 fResetBits = 0; |
469 ++fResetTimestamp; | 470 ++fResetTimestamp; |
470 } | 471 } |
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486 // counts number of uses of vertex/index pool in the geometry stack | 487 // counts number of uses of vertex/index pool in the geometry stack |
487 int fVertexP
oolUseCnt; | 488 int fVertexP
oolUseCnt; |
488 int fIndexPo
olUseCnt; | 489 int fIndexPo
olUseCnt; |
489 // these are mutable so they can be created on-demand | 490 // these are mutable so they can be created on-demand |
490 mutable GrIndexBuffer* fQuadInd
exBuffer; | 491 mutable GrIndexBuffer* fQuadInd
exBuffer; |
491 | 492 |
492 typedef GrClipTarget INHERITED; | 493 typedef GrClipTarget INHERITED; |
493 }; | 494 }; |
494 | 495 |
495 #endif | 496 #endif |
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